Home / 153,382,660.84-211,673,295.19-90,712,480.92

Finding the Fourth Proportional to 153,382,660.84, 211,673,295.19 and 90,712,480.92

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Solution

The fourth proportional to 153,382,660.84, 211,673,295.19 and 90,712,480.92 is: 125,186,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,660.84 : 211,673,295.19 = 90,712,480.92 : x
  2. Step 2: Convert to fraction form
    153,382,660.84/211,673,295.19 = 90,712,480.92/x
  3. Step 3: Cross multiply
    153,382,660.84x = 211,673,295.19 × 90,712,480.92
  4. Step 4: Simplify right side
    153,382,660.84x = 19,201,409,751,196,404
  5. Step 5: Solve for x
    x = 19,201,409,751,196,404/153,382,660.84
  6. Step 6: Final answer
    x = 125,186,312.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.